Created attachment 9678 fix-gtimeval-deprecation.diff Untested.
Andre Miranda referenced this bugreport in commit af7db8ee2dc75c77dbd1011bdf8b970c452eca8d Fix GTimeVal deprecation https://git.xfce.org/xfce/xfwm4/commit?id=af7db8ee2dc75c77dbd1011bdf8b970c452eca8d
Applied. Next time please make sure to provide a "git format-patch" with a complete commit message referencing the bug and your s-o-b.
Andre Miranda referenced this bugreport in commit ec7158498cba0305805c64fdbe6a10810b7157fb Fix GTimeVal deprecation https://git.xfce.org/xfce/xfwm4/commit?id=ec7158498cba0305805c64fdbe6a10810b7157fb